Topaz Value. Clarity and size have a significant effect on the value of topaz. The highest values go to the rare pink and red stones, then orange and yellow. Intense, reddish orange topaz is sometimes called Imperial Topaz.. Yellow, orange, and brown stones are somewhat common.
Types of Surgical Procedures. There are two types of colon resection: open surgery and laparoscopic surgery. The type of procedure performed depends on the diagnosis and the individual patient. Publication Review By: Stanley J. Swierzewski, III, M.D. Published: 31 Oct 2001.
Sigmoid Colectomy. The colon, or large bowel, has three sides: the ascending colon (right side), the transverse colon, and the descending colon (left side). The left side of the colon has four sections: the descending colon, the sigmoid colon, the rectum, and the anus. Colectomy. The primary treatment for colon cancer is surgery.